SDL_RenderReadPixels
Use this function to read pixels from the current rendering target.
Contents
Syntax
int SDL_RenderReadPixels(const SDL_Rect* rect,
Uint32 format,
void* pixels,
int pitch)
Function Parameters
rect |
a pointer to the SDL_Rect to read, or NULL for the entire render target |
format |
the desired format of the pixel data, or 0 to use the format of the rendering target |
pixels |
a pointer to be filled in with the pixel data |
pitch |
the pitch of the pixels parameter |
Return Value
Returns 0 on success or -1 if pixel reading is not supported; call SDL_GetError() for more information.
Code Examples
You can add your code example here
Remarks
WARNING: This is a very slow operation, and should not be used frequently.
